The First Official Presidential Portrait
This picture of Barack Obama is the first official presidential portrait ever taken by a digital camera.
It was taken by Pete Souza, the official White House photographer, with a Canon 5D Mark II.
(THE BEST CAMERA IN THE WORLD LOL)
The settings: 1/125 exposure, F/10.0, 105mm focal length, ISO 100, no flash.
You can download the full-sized photo here.
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